NPrinting Designer Method Not Found, Method Not Allowed and Address Violation Error

[Frank_S]

Description:

• Logged on to the NPrinting WebConsole and editing or opening an NPrinting report template leads to:
• Method Not Found and Address Violation errors

Environment:

• NPrinting all supported versions 

Cause:

• Faulty or corrupted installation
• Version of NP designer does not match the version of NPrinting Server that is running in your environment
• Overly aggressive antivirus has quarantined your NPrinting program files causing file corruption and unexpected NP designer behavior. See Qlik NPrinting Server and Designer Anti Virus Folder Exclusions

Resolution:

Note: before proceeding, ensure that the NPrinting Designer setup/installation file is the same version as the NPrinting server. https://help.qlik.com/en-US/nprinting/Content/NPrinting/DeployingQVNprinting/System-requirements_des...

• Uninstall NPrinting Designer
• Delete the installation folder (usually in "C:\Program Files (x86)\NPrinting\Designer"),
• Reboot the computer and install Qlik NPrinting Designer again.
• Do a right click over the NPrinting Designer setup file
• Qlik the General Tab and click 'unblock' if visible
• Next right click again and select 'Run as Administrator' and complete the installation to recommended default folders